| Lord&Far Ltd | Real estate | 2019 |
| Lordsmill Limited | Real estate | 1999 |
| Loretta Galamb Ltd | Wholesale & retail | 2025 |
| Lorimer Limited | Real estate | 2022 |
| Lornwell Portal Limited | Information & communication | 2025 |
| Loro Crisps Ltd | Wholesale & retail | 2019 |
| Lorraine Clarke Ltd | Professional & scientific | 2024 |
| Lorriman Lettings Limited | Real estate | 2023 |
| Lorven Solutions Ltd | Information & communication | 2016 |
| Lorz Ltd | Construction | 2025 |
| Losca Property Limited | Real estate | 2023 |
| Lost Coffee Limited | Hospitality | 2026 |
| LOT 4 Limited | Households | 2017 |
| Lotesend Ltd | Wholesale & retail | 2024 |
| Lotmedia Ltd | Information & communication | 2026 |
| Lotook Ltd | Information & communication | 2025 |
| Lottie Bennett Enterprises Limited | Other services | 2008 |
| Lottie's 100 Limited | Manufacturing | 2012 |
| Lotts Pizza Limited | Hospitality | 2026 |
| Lotus Chef Limited | Hospitality | 2023 |
| Lotus Children's Homes Ltd | Health & social care | 2026 |
| Lotus Collaborations UK CIC | Other services | 2023 |
| Lotus Healing Limited | Health & social care | 2018 |
| Lotus House East Limited | Hospitality | 2017 |
| LOTUS369 Ltd | Manufacturing | 2023 |
| LOU Fretwell Photography Limited | Professional & scientific | 2025 |
| LOU Gerald Ltd | Manufacturing | 2011 |
| Lou-Ed Consultants Limited | Manufacturing | 1999 |
| Loughran Hague Limited | Other services | 2017 |
| Louis France Limited | Professional & scientific | 1972 |
| Louise Wembridge Consulting Ltd | Professional & scientific | 2008 |
| Louisville's Bites and Delights Limited | Hospitality | 2024 |
| Lound Court Ltd | Administrative & support | 1939 |
| Lound Road Construction Limited | Construction | 2026 |
| Loundcourt Car Park Limited | Administrative & support | 2020 |
| Lounge at 71 Limited | Hospitality | 2024 |
| Loux Capital Limited | Professional & scientific | 2021 |
| Love and Fleur Ltd | Wholesale & retail | 2024 |
| Love Attire Limited | Wholesale & retail | 2012 |
| Love DUB Classic Car Hire Ltd | Other services | 2022 |
| Love HIT Limited | Information & communication | 2005 |
| Love Learning Tuition Limited | Education | 2023 |
| Love Nails 2 Ltd | Other services | 2025 |
| Love Square Platinum Limited | Real estate | 2025 |
| Love the LOT Ltd | Wholesale & retail | 2009 |
| Love YOU Ltd | Wholesale & retail | 2018 |
| Love YOU Millions Ltd | Administrative & support | 2021 |
| Lovebirds Story Studio Limited | Professional & scientific | 2024 |
| Loved Ones Social Care Limited | Hospitality | 2023 |
| Lovedays Barber Shop Ltd | Other services | 2023 |
| Lovehoperelief Ltd | Other services | 2023 |
| Lovellets Properties Limited | Real estate | 2023 |
| Lovely Doyle Music Limited | Arts & recreation | 2011 |
| Lovesummer Ltd | Wholesale & retail | 2026 |
| Love’S Tiney Home Limited | Health & social care | 2024 |
| Loviz Flavaz Limited | Hospitality | 2023 |
| Lovy Limited | Information & communication | 2020 |
| LOW Carbon & Sustainable Solutions Ltd | Professional & scientific | 2020 |
| LOW CO2 Limited | Professional & scientific | 2008 |
| LOW Field Mini Market Ltd | Other services | 2023 |
| LOW Kost Taxis Ltd | Wholesale & retail | 2003 |
| LOW Miles Ltd | Wholesale & retail | 2016 |
| Lowdown Productions Limited | Arts & recreation | 2021 |
| Lowe Academy of Music and the Arts LLP | | 2025 |
| Lowe Construct & Build Ltd | Construction | 2015 |
| Lowe Property Services Limited | Construction | 2003 |
| Lowe Wilkes & Partners Limited | Professional & scientific | 2018 |
| Lowedges Dental Care Limited | Health & social care | 2008 |
| Lower Street Media Ltd | Information & communication | 2016 |
| Lowkost Executive Travel Ltd | Transport & logistics | 2025 |
| LOX Hair Limited | Other services | 2002 |
| Loxley Chapel Developments Limited | Construction | 2020 |
| Loxley Chapel Glass Ltd | Wholesale & retail | 2021 |
| Loxley Chapel Limited | Construction | 2019 |
| Loxley Driving Range Developments Limited | Arts & recreation | 2021 |
| Loxley Driving Range Limited | Hospitality | 2019 |
| Loxley Driving Range Property Company Limited | Real estate | 2023 |
| Loxley Holdings 2020 Ltd | Real estate | 2020 |
| Loxley Kitchens and Bathrooms Ltd | Construction | 2019 |
| Loxley Motors Limited | Wholesale & retail | 2018 |
| Loxley R S Limited | Construction | 2011 |
| Loxley Sheaf Limited | Manufacturing | 2021 |
| Loxley Studio Ltd | Information & communication | 2024 |
| Loxley Technical Services Ltd | Professional & scientific | 2024 |
| Loxley Valley Community Farm Ltd | Agriculture & fishing | 2009 |
| Loxley Vehicle Storage Limited | Transport & logistics | 2026 |
| Loxley Works 2021 Limited | Households | 2021 |
| Loxleys Group Limited | Professional & scientific | 2022 |
| Loxleys Holdings Limited | Professional & scientific | 2008 |
| Loxleys Print Limited | Manufacturing | 1994 |
| LOY Transport Ltd | Transport & logistics | 2006 |
| Loyal to the Limit Driving School Ltd | Education | 2022 |
| LP International Ltd. | Wholesale & retail | 2023 |
| LP Physiotherapy Ltd | Health & social care | 2024 |
| LPF Enterprises Limited | Hospitality | 2020 |
| LPF KIN Holdings UK Ltd | Information & communication | 2025 |
| LPG Energy Limited | Construction | 2015 |
| Lphs UK Ltd | Wholesale & retail | 2007 |
| LPR Motors Ltd | Wholesale & retail | 2019 |
| LPS - Landlord Property Management Services (UK) Limited | Households | 2024 |